Amphidiadema

AMPHIDIADEMA Cookson and Eisenack, 1960a, p.4.  Emendation: Lentin and Williams, 1976, p.60–61.  Type: Cookson and Eisenack, 1960a, pl.1, fig.11, as Amphidiadema denticulata.

Parent: Subfamily Deflandreoideae

Species List:

*Amphidiadema denticulata
Amphidiadema nucula
Amphidiadema rectangularis
Amphidiadema similis